Home / 511,472,151-767,401,498.44-307,142,665.56

Finding the Fourth Proportional to 511,472,151, 767,401,498.44 and 307,142,665.56

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Solution

The fourth proportional to 511,472,151, 767,401,498.44 and 307,142,665.56 is: 460,830,059.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,472,151 : 767,401,498.44 = 307,142,665.56 : x
  2. Step 2: Convert to fraction form
    511,472,151/767,401,498.44 = 307,142,665.56/x
  3. Step 3: Cross multiply
    511,472,151x = 767,401,498.44 × 307,142,665.56
  4. Step 4: Simplify right side
    511,472,151x = 235,701,741,785,599,808
  5. Step 5: Solve for x
    x = 235,701,741,785,599,808/511,472,151
  6. Step 6: Final answer
    x = 460,830,059.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.